Biology MCQs with answers Page - 64

Here, you will find a collection of MCQ questions on Biology. Go through these questions to enhance your preparation for upcoming examinations and interviews.

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Q. Which one of following is smallest gland of body?

  • (A) Liver
  • (B) Thyroid
  • (C) Pituitary
  • (D) Slivary gland

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Q. Deficiency of which minerals causes goitre?

  • (A) Magnesium
  • (B) Calcium
  • (C) Iodine
  • (D) Sulphur

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Q. Chemical co-ordination in the body is brought out by

  • (A) Blood
  • (B) Lymph
  • (C) Enzymes
  • (D) Hormones

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Q. The disease Goitre is caused in persons who do not have in their diet sufficient

  • (A) Calcium
  • (B) Sodium
  • (C) Iodine
  • (D) Iron

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Q. In case of a heart attack, a hormone is injected as an emergency measure, Which one is it?

  • (A) Thyroxine
  • (B) Adrenaline
  • (C) Heparin
  • (D) Insulin

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Q. Which of the following hormone is called the emergency hormone ?

  • (A) Insulin
  • (B) Adrenaline
  • (C) Estrogen
  • (D) Oxytocin

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Q. Which cells secrete hormones?

  • (A) Tissue cells
  • (B) Museles cells
  • (C) Respiratory
  • (D) Glands

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Q. Insulin is secreted from which gland or organ of human body?

  • (A) Kidney
  • (B) Liver
  • (C) Small Intestine
  • (D) Pancreas

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Q. Which one of the following crops would be preferred for sowing in order to enrich soil with nitrogen?

  • (A) Wheat
  • (B) Mustard
  • (C) Sunflower
  • (D) Gram

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Q. Censor mechanism of dispersal of seeds is found in

  • (A) Pea
  • (B) Poppy
  • (C) Cotton
  • (D) Maize

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